Semisub

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A semisubmersible. informal
  2. 2
    A semisubmarine. informal, uncommon

Etymology

Clipping of semisubmersible. Analyzable as semi- + sub.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.